ATE295405T1 - LAUNDRY DETERGENT COMPOSITIONS CONTAINING CERTAIN CATIONICALLY CHARGED DYE-HOLDING POLYMER - Google Patents

LAUNDRY DETERGENT COMPOSITIONS CONTAINING CERTAIN CATIONICALLY CHARGED DYE-HOLDING POLYMER

Info

Publication number: ATE295405T1
Authority: AT; Austria
Prior art keywords: compositions containing; detergent compositions; laundry detergent; containing certain; cationically charged
Prior art date: 1999-03-25

Application number

AT00918421T

Other languages

German (de)

Inventor

Shulin Zhang

Janet Sue Littig

Neil James Gordon

Original Assignee

Procter & Gamble

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1999-03-25

Filing date

2000-03-24

Publication date

2005-05-15

2000-03-24 Application filed by Procter & Gamble filed Critical Procter & Gamble

2005-05-15 Application granted granted Critical

2005-05-15 Publication of ATE295405T1 publication Critical patent/ATE295405T1/en

Classifications

- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0021—Dye-stain or dye-transfer inhibiting compositions
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/28—Heterocyclic compounds containing nitrogen in the ring
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/30—Amines; Substituted amines ; Quaternized amines
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3723—Polyamines or polyalkyleneimines
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
- C11D3/3773—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines in liquid compositions
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3792—Amine oxide containing polymers

Landscapes

Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Oil, Petroleum & Natural Gas (AREA)
Wood Science & Technology (AREA)
Organic Chemistry (AREA)
Detergent Compositions (AREA)
Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Compositions Of Macromolecular Compounds (AREA)

AT00918421T 1999-03-25 2000-03-24 LAUNDRY DETERGENT COMPOSITIONS CONTAINING CERTAIN CATIONICALLY CHARGED DYE-HOLDING POLYMER ATE295405T1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US12607299P	1999-03-25	1999-03-25
PCT/US2000/008030 WO2000056848A1 (en)	1999-03-25	2000-03-24	Fabric maintenance compositions comprising certain cationically charged fabric maintenance polymers

Publications (1)

Publication Number	Publication Date
ATE295405T1 true ATE295405T1 (en)	2005-05-15

Family

ID=22422847

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT00918421T ATE295405T1 (en)	1999-03-25	2000-03-24	LAUNDRY DETERGENT COMPOSITIONS CONTAINING CERTAIN CATIONICALLY CHARGED DYE-HOLDING POLYMER

Country Status (12)

Country	Link
EP (2)	EP1163319B1 (en)
JP (2)	JP4601829B2 (en)
CN (1)	CN1280391C (en)
AR (2)	AR023156A1 (en)
AT (1)	ATE295405T1 (en)
AU (2)	AU3923500A (en)
BR (1)	BR0009279A (en)
CA (2)	CA2365282C (en)
DE (1)	DE60020091T2 (en)
ES (1)	ES2242612T3 (en)
MX (1)	MXPA01009728A (en)
WO (2)	WO2000056849A1 (en)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6733538B1 (en) *	1999-03-25	2004-05-11	The Procter & Gamble Company	Laundry detergent compositions with certain cationically charged dye maintenance polymers
DE10027634A1 (en) *	2000-06-06	2001-12-13	Basf Ag	Use of hydrophobic polymer particles, cationically modified by coating with cationic polymer, as additives in washing or care materials for textiles and as additives in detergents
EP1239025A3 (en) *	2001-03-03	2003-09-03	Clariant GmbH	Detergent composition and laundry treatment compositon comprising dye transfer inhibiting and dye fixing agent
DE10150724A1 (en) *	2001-03-03	2003-04-17	Clariant Gmbh	Washing agents such as detergents contain dye transfer inhibitors which are polyamine/cyanamide/amidosulfuric acid, cyanamide/aldehyde/ammonium salt or amine/epichlorhydrin reaction products
US7799421B2 (en)	2002-02-14	2010-09-21	Akzo Nobel N.V.	Controlled release materials
US6924259B2 (en)	2002-04-17	2005-08-02	National Starch And Chemical Investment Holding Corporation	Amine copolymers for textile and fabric protection
KR20050090994A (en) *	2002-12-23	2005-09-14	시바 스폐셜티 케미칼스 홀딩 인코포레이티드	Hydrophobically modified polymers as laundry additives
DE102005039168A1 (en) *	2005-08-17	2007-02-22	Cognis Ip Management Gmbh	Solid agents containing cationic polymers
GB0518059D0 (en)	2005-09-06	2005-10-12	Dow Corning	Delivery system for releasing active ingredients
JP2012500892A (en)	2008-08-28	2012-01-12	ザプロクターアンドギャンブルカンパニー	Fabric care composition, making process and method of use
RU2011150418A (en)	2009-06-30	2013-06-20	Дзе Проктер Энд Гэмбл Компани	COMPOSITIONS FOR TREATMENT OF FABRICS CONTAINING CATION POLYMERS AND AMPHOTERIC SURFACE-ACTIVE SUBSTANCES
US8188027B2 (en)	2009-07-20	2012-05-29	The Procter & Gamble Company	Liquid fabric enhancer composition comprising a di-hydrocarbyl complex
US8367596B2 (en)	2009-07-30	2013-02-05	The Procter & Gamble Company	Laundry detergent compositions in the form of an article
US8288332B2 (en)	2009-07-30	2012-10-16	The Procter & Gamble Company	Fabric care conditioning composition in the form of an article
US8309505B2 (en)	2009-07-30	2012-11-13	The Procter & Gamble Company	Hand dish composition in the form of an article
BR112012018894A2 (en)	2010-01-29	2016-04-12	Procter & Gamble	linear polydimethylsiloxane-polyether copolymers as amino and / or quaternary ammonium groups and use thereof
US20110201534A1 (en)	2010-02-12	2011-08-18	Jennifer Beth Ponder	Benefit compositions comprising polyglycerol esters
WO2011100411A1 (en)	2010-02-12	2011-08-18	The Procter & Gamble Company	Benefit compositions comprising polyglycerol esters
US20110201532A1 (en)	2010-02-12	2011-08-18	Jennifer Beth Ponder	Benefit compositions comprising crosslinked polyglycerol esters
US20110201537A1 (en)	2010-02-12	2011-08-18	Jennifer Beth Ponder	Benefit compositions comprising crosslinked polyglycerol esters
DE102011112778A1 (en)	2011-09-09	2013-03-14	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	The primary washing power improving polymeric agents
DE102014017962A1 (en)	2014-12-05	2016-06-09	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Detergents and cleaning agents with polymeric agent
DE102014017964A1 (en)	2014-12-05	2016-06-09	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Detergents and cleaning agents with polymeric agent
DE102015004400A1 (en)	2015-04-10	2016-10-13	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Detergents and cleaning agents with polymeric agent
DE102015004399A1 (en)	2015-04-10	2016-10-13	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Detergents and cleaning agents with polymeric agent
US20180142188A1 (en) *	2016-11-18	2018-05-24	The Procter & Gamble Company	Fabric treatment compositions having polymers and fabric softening actives and methods for providing a benefit
US20190376006A1 (en)	2017-02-13	2019-12-12	Conopco, Inc., D/B/A Unilever	Laundry composition
WO2019070838A1 (en)	2017-10-03	2019-04-11	Lubrizol Advanced Materials, Inc.	Esterquat free liquid fabric softener compositions
WO2019084375A1 (en)	2017-10-26	2019-05-02	Lubrizol Advanced Materials, Inc.	Esterquat free liquid fabric softener compositions containing unsaturated fatty acid soap
US10487293B2 (en)	2017-12-01	2019-11-26	The Procter & Gamble Company	Particulate laundry softening wash additive
US10377966B2 (en)	2017-12-01	2019-08-13	The Procter & Gamble Company	Particulate laundry softening wash additive
US10392582B2 (en)	2017-12-01	2019-08-27	The Procter & Gamble Company	Particulate laundry softening wash additive
US10655084B2 (en)	2017-12-01	2020-05-19	The Procter & Gamble Company	Particulate laundry softening and freshening wash additive
US10648115B2 (en)	2017-12-01	2020-05-12	The Procter & Gamble Company	Process for treating an article of clothing utilizing water-soluble particles comprising an esterquat
CN111655831A (en)	2018-01-29	2020-09-11	宝洁公司	Granular laundry softening detergent additive
WO2019232107A1 (en)	2018-05-30	2019-12-05	The Procter & Gamble Company	Particulate laundry softening wash additive
EP3883885A1 (en)	2018-11-20	2021-09-29	The Lubrizol Corporation	Graphene production and composition
EP3663385A1 (en)	2018-12-04	2020-06-10	The Procter & Gamble Company	Particulate laundry softening wash additive
EP3663384A1 (en)	2018-12-04	2020-06-10	The Procter & Gamble Company	Particulate laundry softening wash additive
WO2020131678A1 (en)	2018-12-19	2020-06-25	Lubrizol Advanced Materials, Inc.	Cleansing composition and method
EP3736320A1 (en)	2019-05-08	2020-11-11	The Procter & Gamble Company	Particles for through the wash laundry softening
US20230017803A1 (en)	2019-11-19	2023-01-19	Lubrizol Advanced Materials, Inc.	Redeposition Inhibiting Polymers And Detergent Compositions Containing Same
BR112022011360A2 (en)	2019-12-11	2022-08-23	Unilever Ip Holdings B V	SOLID DETERGENT COMPOSITION, FABRIC SOFTENING METHOD AND USE
EP4077612B1 (en)	2019-12-19	2023-12-06	Lubrizol Advanced Materials, Inc.	Redeposition inhibiting polymers and detergent compositions containing same
MX2022007731A (en)	2020-02-20	2022-07-19	Procter & Gamble	SOLID, POROUS, FLEXIBLE SOLID SHEET ARTICLES CONTAINING CATIONIC SURFACTANT.
EP4349950A3 (en)	2020-05-14	2024-06-19	The Procter & Gamble Company	Fabric care composition
US20230416653A1 (en)	2020-11-19	2023-12-28	Lubrizol Advanced Materials, Inc.	Antimicrobial cleaning compositions containing polyurethane salted with bis-biguanide free base
US11560534B2 (en)	2020-12-15	2023-01-24	Henkel Ag & Co. Kgaa	Surfactant compositions for improved transparency of DADMAC-acrylamide co-polymers
US11505766B2 (en)	2020-12-15	2022-11-22	Henkel Ag & Co. Kgaa	Surfactant compositions for improved transparency of DADMAC-acrylic acid co-polymers
US20240060015A1 (en)	2022-08-12	2024-02-22	The Procter & Gamble Company	Solid dissolvable compositions
CN119585410A (en)	2022-08-12	2025-03-07	宝洁公司	Low water content composition
WO2024119295A1 (en)	2022-12-05	2024-06-13	The Procter & Gamble Company	Laundry treatment composition including a polyalkylenecarbonate compound
WO2025045955A1 (en)	2023-08-30	2025-03-06	Unilever Ip Holdings B.V.	Solid laundry composition

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2041667A5 (en) *	1969-05-30	1971-01-29	Protex
JPS5813700A (en) *	1981-07-17	1983-01-26	花王株式会社	Detergent composition
US4418011A (en) *	1982-08-03	1983-11-29	Colgate-Palmolive Company	Detergent composition providing antistatic properties
JPS6131499A (en) *	1984-07-23	1986-02-13	ライオン株式会社	Laundry aid composition
FR2732031B1 (en) *	1995-03-23	1997-04-30	Coatex Sa	USE OF AMPHOTERIC AGENTS AS MODIFIERS OF LAMELLAR PHASES OF LIQUID OR PASTY DETERGENT OR COSMETIC COMPOSITIONS
DK0754748T3 (en) *	1995-07-20	2001-11-26	Procter & Gamble	Detergent compositions that inhibit dye transfer
FR2746808B1 (en) *	1996-03-27	1998-05-07	Protex Manuf Prod Chimiq	AGENT AND METHOD FOR IMPROVING THE FRICTION STRENGTH OF DYES OR PRINTS
AR008469A1 (en) *	1996-09-19	2000-01-19	Procter & Gamble	AQUOUS FABRIC SOFTENING COMPOSITION AND A PROCESS TO PREPARE SUCH SOFTENING LIQUID COMPOSITION
EA001695B1 (en) *	1996-10-16	2001-06-25	Унилевер Н.В.	Fabric softening composition
DE19649288A1 (en) *	1996-11-28	1998-06-04	Henkel Kgaa	Cotton-active dirt-releasing polymers
ATE277998T1 (en) *	1997-07-23	2004-10-15	Unilever Nv	MACHINE DISHWASHING DETERGENT CONTAINING WATER SOLUBLE CATIONIC OR AMPHOTERELIC POLYMERS
CA2346347A1 (en) *	1998-10-13	2000-04-20	David William Bjorkquist	Laundry detergent compositions with a cationically charged dye maintenance polymer

2000
- 2000-03-24 BR BR0009279-7A patent/BR0009279A/en not_active Application Discontinuation
- 2000-03-24 DE DE60020091T patent/DE60020091T2/en not_active Expired - Lifetime
- 2000-03-24 EP EP00918421A patent/EP1163319B1/en not_active Expired - Lifetime
- 2000-03-24 MX MXPA01009728A patent/MXPA01009728A/en active IP Right Grant
- 2000-03-24 AU AU39235/00A patent/AU3923500A/en not_active Abandoned
- 2000-03-24 JP JP2000606707A patent/JP4601829B2/en not_active Expired - Fee Related
- 2000-03-24 EP EP00918422A patent/EP1163320A1/en not_active Ceased
- 2000-03-24 AT AT00918421T patent/ATE295405T1/en not_active IP Right Cessation
- 2000-03-24 AU AU39234/00A patent/AU3923400A/en not_active Abandoned
- 2000-03-24 CN CN00807785.1A patent/CN1280391C/en not_active Expired - Fee Related
- 2000-03-24 ES ES00918421T patent/ES2242612T3/en not_active Expired - Lifetime
- 2000-03-24 CA CA002365282A patent/CA2365282C/en not_active Expired - Lifetime
- 2000-03-24 WO PCT/US2000/008031 patent/WO2000056849A1/en not_active Application Discontinuation
- 2000-03-24 AR ARP000101326A patent/AR023156A1/en active IP Right Grant
- 2000-03-24 CA CA002365303A patent/CA2365303C/en not_active Expired - Fee Related
- 2000-03-24 WO PCT/US2000/008030 patent/WO2000056848A1/en active IP Right Grant
- 2000-03-24 JP JP2000606708A patent/JP2002540250A/en not_active Withdrawn
- 2000-03-24 AR ARP000101325A patent/AR023155A1/en unknown

Also Published As

Publication number	Publication date
WO2000056849A1 (en)	2000-09-28
AR023155A1 (en)	2002-09-04
WO2000056848A1 (en)	2000-09-28
EP1163319A1 (en)	2001-12-19
MXPA01009728A (en)	2002-03-14
BR0009279A (en)	2001-12-26
DE60020091D1 (en)	2005-06-16
AU3923400A (en)	2000-10-09
ES2242612T3 (en)	2005-11-16
CA2365303A1 (en)	2000-09-28
CN1351644A (en)	2002-05-29
CN1280391C (en)	2006-10-18
CA2365303C (en)	2007-03-27
JP2002540301A (en)	2002-11-26
EP1163319B1 (en)	2005-05-11
JP4601829B2 (en)	2010-12-22
CA2365282C (en)	2007-01-30
AR023156A1 (en)	2002-09-04
AU3923500A (en)	2000-10-09
DE60020091T2 (en)	2006-03-09
JP2002540250A (en)	2002-11-26
EP1163320A1 (en)	2001-12-19
CA2365282A1 (en)	2000-09-28

Publication	Publication Date	Title
ATE295405T1 (en)	2005-05-15	LAUNDRY DETERGENT COMPOSITIONS CONTAINING CERTAIN CATIONICALLY CHARGED DYE-HOLDING POLYMER
ATE412727T1 (en)	2008-11-15	POLYMER CONTAINING LAUNDRY DETERGENT COMPOSITIONS
DE60019927D1 (en)	2005-06-09	MODIFIED ALKYLARYLSULFONATE-TENSIDE-CONTAINING DETERGENT COMPOSITIONS
DE60012787D1 (en)	2004-09-09	Fabric softener compositions
DE60040350D1 (en)	2008-11-06	softener compositions
DE60023129D1 (en)	2006-02-23	Fabric softener compositions
DE69913649D1 (en)	2004-01-29	Washing machine
ATE386098T1 (en)	2008-03-15	THICKENED LAUNDRY SOFTENER
DE60000776D1 (en)	2002-12-19	DETERGENT COMPOSITION
IT1318080B1 (en)	2003-07-21	WASHING MACHINE
DK1147171T3 (en)	2006-03-06	Detergent
ATE329995T1 (en)	2006-07-15	BLEACHING DETERGENT COMPOSITIONS
ATE346903T1 (en)	2006-12-15	DETERGENT ADDITIVE WITH LAUNDRY PROTECTION
DE69914629D1 (en)	2004-03-11	DETERGENT COMPOSITIONS
DE60038009D1 (en)	2008-03-27	LAUNDRY SOFTENER ACTIVE COMPONENT
DE69915671D1 (en)	2004-04-22	DETERGENT COMPOSITIONS
DE60011891D1 (en)	2004-08-05	DETERGENT COMPOSITIONS
DE60021557D1 (en)	2005-09-01	DETERGENT COMPOSITIONS
DE60026988D1 (en)	2006-05-18	Fabric softener compositions
DE60016948D1 (en)	2005-01-27	DETERGENT COMPOSITION
DE60022111D1 (en)	2005-09-29	detergent composition
DE60022761D1 (en)	2006-02-02	DETERGENT COMPOSITIONS
DE60040317D1 (en)	2008-11-06	Germicidal detergent composition
ID28684A (en)	2001-06-28	DETERGENT COMPOSITION
DE60035986D1 (en)	2007-09-27	GRANULATED DETERGENT COMPOSITION

Legal Events

Date	Code	Title	Description
2005-11-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties